Potting Soil

XRF Test Results For Burpee Natural & Organic Seed Starting Mix (2022).

XRF Test Results For Burpee Natural & Organic Seed Starting Mix (2022).

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Wednesday – April 27, 2022 Readers often send me soil samples to test. This is the first time someone has sent me “Seed Starting Mix.” She didn’t include a photo of the package or the actual package, but I will ask her for that so I can update this post with more details. In the…